public class eg4_6 {
    public static void main(String[] args) {
        eg4_6Student  s1=new eg4_6Student("Mike",97,1);
        eg4_6Student  s2=new eg4_6Student("Joy",98,1);
        eg4_6Student  s3=new eg4_6Student("Bob",100,1);
        eg4_6Student s4=new eg4_6Student("Ben",89,1);
        System.out.println(s3.getName());
        System.out.println(eg4_6Student.className);
        eg4_6Student.doHomework();
        eg4_6PrintStudent.showStudent(s3);
        eg4_6Student.setCounter(90);
        eg4_6Student s5=new eg4_6Student("Rose");
        eg4_6Student  s6=new eg4_6Student("Kely");
        if(!eg4_6Student.errorMessage.equals("")){
            eg4_6PrintStudent.showErrorMessage(eg4_6Student.errorMessage);
            return;
        }
        System.out.println("Hello World");
    }
}
